Write the noble gas core ground-state electron configuration for the 3+ ion of Yb. What other ion is Yb likely to form?

Q: Convert the following, show your work

A: Given : 52.7μm 86.7 mm 13.7 nm

Q: Calculate the osmotic pressure (in atm) of a solution containing 1.50 g ethylene glycol in 50.0 mL…

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Q: A chemist measures the enthalpy change AH during the following reaction: 3 N₂(g) + 8 H₂(g) →4 NH3(g)…

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Q: 7. Calculate AH for 2NO(g) + O2(g) N2O4(9), Using the following information: 2NO2 (g) N₂O4(g) 2NO(g)…

A: Since,According to Hess's law change of enthalpy in a chemical reaction is same regardless of…

Q: tBu НО

A: IUPAC name has some basic rules which need to be followed.  Every IUPAC NAME should have  1. Prefix…

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A: Therefore correct option is second structure. DCC=dicyclohexylcarbodiimide is a coupling reagent for…

Q: Which acid is most likely to reduce the conductivity to near zero at the equivalence point when it…

A: Answer:- This question is answered by using the simple concept of titration of acid and base and…

Q: Q: Determine the structure of the following unknowns using the table to fill in your answers. B C…

A: Integration of a 1H NMR peak represents the number of H atoms that produce the peak. Multiplicity…

Q: Convert the following measurements. If more than 3 zeros are present in the answer, write the answer…

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Q: Calculate the number of moles in 1.26 g of NaHCO3 (MW 84.01 g/mol).

A: Solution - Molecular weight of NaHco3 is given = 84.01 g/ mol  Number of moles = Given mass in gram…

Q: 3. Calculate the pH of a 500 mL solution of pure water to which has been added 25 mL of 1 mM HCl.

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Q: 68. An organic compound has a composition of 93.46% C and 6.54% H by mass. A solution of 0.090 g of…

A: •Here given:-  1)  % composition of a compound is :-                    => 93.46 % C…

Q: In the lab a substance is studied and the following observations are made. At room temperature (20…

A: For a physical property there is no change in the identity of the substance. Chemical properties…

Q: Determine the oxidation number of the marked carbon (*) on both sides of the reaction arrow. Circle…

A: We have to determine the oxidation number of marked carbon in the  the reactant and the product.

Q: QUESTION 1 a) You are given these organometallic complexes, for each; draw the molecular structure,…

A: Coordination no. of Mn - 6

Q: Draw the organic product(s) you would expect from the following reaction. + Br₂ (1 mole) CH₂Cl₂

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Q: What is the mass (in g) of each of the following: a sphere of zinc with a diameter of 2.02 cm. The…

A: Density is defined as ratio of mass to volume.

Q: What about part d?

A: •Here given compound in part(d) is:-

Q: 14) Consider the following two reactions: A-28 A-C All-456.7 kJ/mol All-22.1 kJ/mol AH =? Determine…

A: Given data :  1)  A ==> 2B       ∆H°rxn = 456.7KJ/mol  A ==>  C            ∆H°rxn =…

Q: 7. Why is water a suitable solvent for this recrystallisation?  8. Calculate the concentration in…

A: 7. Water is used for recrystallization of organic chemicals because by virtue of their less…

Q: 1. An electron has the following set of quantum numbers: n-3, 1-1, m,- 1, m,-. In which orbital is…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: N2(g) and O2(g) can exist in equilibrium with NO(g), as shown below. The equilibrium constant at…

A: The equilibrium equation can be written as follows: N2(g) + O2(g) ⇌ 2NO(g) The equilibrium constant…

Q: H₂SO4 + Ba(OH)2 → BaSO4 + 2H₂O The titration reaches the equivalence point when 52.5 mL of the 1.0 x…

A: In acid- base  titration equivalence is  the point where moles of acid is equal to moles of base .

Q: 19. The molarity of a 22.75% HCI solution. The density of this solution is 1.13 g/mL, and the molar…

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Q: + 12 H₂ If 0.4 mol/L of both hydrogen and iodine are both injected into a closed system and the…

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Q: 24) Calculate boiling point of a liquid, whose enthalpy of vaporization is 6 KJ/mole and entropy…

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Q: A 30.0g piece of copper absorbs 481.95 J of heat while rising from 23.0°C to 65.5 °C. Calculate the…

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Q: Study the following phase diagram of Substance X. pressure (atm) A F B -E- H temperature (K) D C…

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Q: Fill in the intermediates (green) and the additional reactants (blue) for the conversions ProtoKA…

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Q: Ethylene glycol, the primary ingredient in antifreeze, has the chemical formula C₂H6O₂. The radiator…

A: Depression in freezing point is  ∆Tf=Kf×m   Elevation in boiling point is  ∆Tb=Kb×m   To get the…

Q: the first 2 need 1 more significant figure

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Q: The recombination reaction 2 HO₂(g) H₂O2(g) + O₂(g) has a second-order rate constant of 1.8E9 M1 s1.…

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Q: 4) Which one of the following relations is used to calculate the molar mass (μ) of a gas? (dR) a) μπ…

A: Since you have asked only for question 4, we are providing you a solution for the 4th question only.…

Q: 5. Which statement does not describe an endothermic reaction? A) The surroundings cool down. B) AH…

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Q: 3) Of the following, AH,0 is not zero for a) O₂(g) b) C (graphite) e) N; (g) d) F2 (8)

A: Ans 13.  The standard enthalpy of formation will zero for an element or compound when present in…

Q: In the laboratory a student uses a "coffee cup" calorimeter to determine the specific heat of a…

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Q: The familiar "ether" used as an anesthetic agent is diethyl ether, C4H10O. Its heat of vaporization…

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Q: Calculate the standard enthalpy change for the combustion of 1 mol of liquid methanol, assuming…

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Q: A student dissolves 13. g of aniline (C6H5NH₂) in 175. mL of a solvent with a density of 0.89 g/mL.…

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Q: What is the [H3O*] in a solution with a pH of 8.66? O 3.9 × 10-7 M O 1.5 x 10-5 M 2.2 × 10-⁹ M 3.0 ×…

A: The pH value of a solution = 8.66

Q: For the next 3 questions, use the multi-step reaction energy profile diagram shown below C A EG fin…

A: We have been given a reaction energy profile diagram for a multistep reaction.We have been asked the…

Q: A solution of 50.0 mL of 0.20 M H2SO4 is titrated with 1.0 M of LiOH. H₂SO4 + 2LIOH → Li₂SO4 + 2H₂O…

A: Given, H2SO4 + 2LiOH → Li2SO4 + 2H2O Molarity of H2SO4 solution = 0.20 M = 0.20 mol/L Volume of the…

Q: Give the major organic product of the following reactions. 15 16 17 18 19 -Br #15 answer S #15…

A: In this question, we will draw the structure of the organic products.  You can see the details…

Q: How many orbitals in an atom could have these sets of quantum numbers? n=1 3 Incorrect n = 4,0 = 2…

A: We have to find out the number of orbitals in an atom with the given sets of quantum numbers.

Q: What is the temperature of 0.46 mol of gas at a pressure of 1.5 atm and a volume of 11.8 L? Express…

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Q: a 12.1 3- What was the pH of the solution that result from titration of 25.0 ml of 0.5 M solution of…

A: 3) we have to calculate the pH of the solution after HCl is added to the weak base

Q: 2. Create a simple enthalpy CaO (s) + 3C(s) + 462.3 kJ diagram to represent the following reaction.…

A: Enthalpy is the amount of energy and work that is absorbed from our released to the surroundings.…

Q: Find the altitude in feet at which the pressure is 14.41 in Hg.

A: Given Pressure = 14.41 in Hg

Q: 20. 25.0 ml. of NaCl unknown concentration was titrated against 23.0 mL of 0.009 M AgNO3. Calculate…

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